Recycled Organics Unit
The ROU provides technical support for organics recycling, including: research and development; quality assurance services and consultancy; associated training; communications resources; greenhouse abatement certification.

Recycled Organics Clearinghouse
Identifies current programs and information resources available to the industry, including an on-line catalogue of information resources and a biannual Recycled Organics National eNews newsletter.

www.rolibrary.com  
www.rolibrary.com is a searchable on-line catalogue of information resources on the recovery and management of compostable organic materials; and the manufacture and marketing of recycled organics products.

Centre for Organic & Resource Enterprises 
CORE is an international environmental marketing network operating in Australasia, North America and Europe . CORE facilitate the International Compost Awareness Week in .

Farm Scale Composting Resource List
This is a web-based resource list, featuring a selection of the best primers, reference books and manuals, and web-based documents that comprise a ready-made technical library on farm-scale composting. It also has links to compost software, research centres, associations & networks. This site is hosted by ATTRA - National Sustainable Agriculture Information Service which is managed by the National Center for Appropriate Technology (NCAT).

Cornell University composting resources 
This website is maintained by the Cornell Waste Management Institute and provides access to a variety of composting educational materials and programs developed at Cornell University .

University of Canterbury Composting 
The University of Canterbury web site for composting research and practice in and the South Pacific.

Organic Recovery & Biological Treatment Association
ORBIT is a non-profit association established under the laws of the Federal Republic of Germany. The mission of the ORBIT Association is "to promote the scientific and technological development of environmental biotechnology".

Zero Waste SA - Organics Reports
Downloadable reports and resources or organic recycling and use of organic products provided by Zero Waste South Australia.

US Composting Council
The USCC is a trade and professional organisation promoting compost and provide a unified voice for the growing composting industry in the USA. Includes links to a number of state & regional composting and affiliated associations across the US. 

Composting Council of Canada
CCC is a national non-profit, member-driven organisation with a charter to advocate and advance composting and compost usage. It serves as the central resource and network for the composting industry in Canada and, through its members, contributes to the environmental sustainability of the communities in which they operate.

Association for Organics Recycling (UK) (formerly the Composting Association)
The Association for Organics Recycling is the leading trade organisation for the biodegradable waste management industry in the UK. The Composting Association is committed to the sustainable management of biodegradable resources. 

Cre- Composting Association of Ireland
Cré the Composting Association of Ireland is a non-profit organisation which serves as a forum to promote composting and compost utilisation.This site hosts the Cré Library of Composting Documents containing an extensive collection of web-based resources.

European Compost Network
The ECN is a collaboration of partners, promoting sustainable practices in composting, anaerobic digestion and other treatment procedures for organic residues across Europe. It aims to address the needs of both practical operators and decision makers.

Italian Composting Association (CIC)
The CIC unites public and private companies, local authorities and others involved in the production of compost, as well as organisations which do not make compost but have an interest in the composting process (producers of machinery and equipment, producers of fertilisers, research bodies etc.).